Stackable cooling rack



FIG. 1 is top plan view of a cooling rack embodying the inventive aspects of the present invention;

FIG. 2 is a bottom plan view of the cooling rack shown in FIG. 1;

FIG. 3 is a front elevational view of the cooling rack shown in FIG. 1, the rear elevational view being identical; and,

FIG. 4 is a left side view of the cooling rack shown in FIG. 1, the right side view being identical. 

The ornamental design for a stackable cooling rack, as shown and described. 